<template>
  <div class="comment-post">
    <van-field
      class="post-field"
      v-model.trim="message"
      rows="2"
      autosize
      type="textarea"
      maxlength="50"
      placeholder="请输入留言"
      show-word-limit
    />
    <van-button class="post-btn" @click="onpost" :disabled="!message.length">发布</van-button>
  </div>
</template>

<script>
import {addComment} from '@/api/comment.js'
export default {
  name: 'CommentPost',
  data() {
    return {
      message: '',
    }
  },
  props:{
    commentId:{
      type: [Number, String, Object],
       required: true
    }
  },
  inject:{
   articleId:{
    type:[Number.String,Object]
   },
  },
  methods:{
 async onpost(){
  try {
 const {data} = await addComment({
      target:this.commentId, // 评论的目标 id（评论文章即为文章id，对评论进行回复则为评论id）
      content:this.message,  //评论内容
      art_id:this.articleId === this.commentId ? null : this.articleId, // 文章id，对评论内容发表回复时，需要传递此参数，表明所属文章id。对文章进行评论，不要传此参数。
    })
    this.message =''
    this.$emit('down',data.data)
    this.$toast.success('发布成功')
  } catch (error) {
    this.$toast.fail('发布失败')
  }
 }
  }
}
</script>

<style scoped lang="less">
.comment-post {
  display: flex;
  align-items: center;
  padding: 32px 0 32px 32px;
  .post-field {
    background-color: #f5f7f9;
  }
  .post-btn {
    width: 150px;
    border: none;
    padding: 0;
    color: #6ba3d8;
    &::before {
      display: none;
    }
  }
}
</style>
